A P . bursaria cell that has lost its zoochlorellae is aposymbiotic. If aposymbiotic cells have population growth rates the same as those of healthy, zoochlorella-containing P . bursaria in well-lit environments with plenty of prey items, then such an observation would be consistent with which type of relationship? (A) parasitic (B) competitive (C) toxic (D) mutualistic
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A P . bursaria cell that has lost its zoochlorellae is aposymbiotic. If aposymbiotic cells have population growth rates the same as those of healthy, zoochlorella-containing P . bursaria in well-lit environments with plenty of prey items, then such an observation would be consistent parasitic
What is parasitic ?In a close association between species known as parasitism, one organism—the parasite—lives on or inside another—the host—doing harm to it while being physically adapted to this mode of existence. Parasites are described as "predators that consume prey in units of fewer than one" by the entomologist E. O.
Wilson. In addition to animals like hookworms, lice, mosquitoes, and vampire bats, parasites also include single-celled protozoans like those that cause malaria, sleeping sickness, and amoebic dysentery, fungi like honey fungus and ringworm agents, and plants like mistletoe, dodder, and broomrapes.
In order to take advantage of their animal hosts, parasites use six main methods: parasitic castration, directly transmitted parasitism, tropically transmitted parasitism (by being eaten), vector-transmitted parasitism, parasitoids, and micropredation.
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Related Questions
a stream's turbulence is strongly influenced by its ________.
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A stream's turbulence is strongly influenced by its velocity, depth, and shape of the streambed. These factors can cause changes in water flow and create eddies, currents, and waves that can lead to turbulent conditions.
The velocity of the water, or the speed at which it is flowing, can affect turbulence by creating high and low-pressure areas in the water that cause swirling and mixing. The depth of the water can also impact turbulence by changing the velocity of the water and creating different flow patterns. Additionally, the shape of the streambed, including rocks, boulders, and other obstructions, can cause water to flow in irregular patterns, increasing turbulence. Understanding these factors can help predict when and where turbulent conditions may occur in a stream, and can also help in managing and protecting aquatic ecosystems.
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true or false: researchers found that if a person did a series of muscle contractions to the point of fatigue with the eyes closed, simply opening the eyes restored tension.
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Awnser: This statement is true.
how do you define a cladogram
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Answer:
A cladogram is a branching diagram showing the cladistic relationship between a number of species.
Phenylketonuria (PKU) is a disease in humans where the function of the enzyme phenylalanine hydroxylase is impaired by mutation of the human PAH gene. Untreated, individuals with PKU can have intellectual disability, behavioral problems, and seizures. However, people who eat a diet low in phenylalanine can lead a normal life. What terms describe PKU as a trait
Answers
Pleiotropy refers to the phenomenon of a single gene affecting multiple traits. Phenylketonuria is an example of Pleiotropy.
What is Pleiotropy?The production of diverse effects, especially the production by a single gene of several distinct and seemingly unrelated phenotypic effects known as pleiotropy.
Phenylketonuria, generally known as PKU, is a rare hereditary condition that results in an accumulation of the amino acid phenylalanine in the body. The phenylalanine hydroxylase (PAH) gene is altered in PKU. The enzyme required to degrade phenylalanine is produced in part because of this gene. PKU can be seen to behave as a 'complex' trait.
Only 11.1 percent of MHP patients were homozygous, compared to 58.4 percent of individuals with classic PKU. Individuals with mild PKU had a compound heterozygous rate of 72.5% compared to only 35.1% in patients with classic PKU.
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During phagocytosis of one cell to another, the larger cell engulfs the smaller cell by enclosing it in a part of its plasma membrane which then pinches off so the cell is then within the larger cell. Given this may have been the process that brought bacterial cells into the ancestors of eukaryotic cells as endosymbionts, what structural characteristics might be expected in mitochondria and chloroplasts?
Answers
Explanation:
Phagocytosis is the process by which cells ingest large particles, including other cells, by enclosing the particles in an extension of the cell membrane and budding off a new vesicle. During pinocytosis, cells take in molecules such as water from the extracellular fluid.
If the color of the prey matches the background color then.....
Answers
Camoflage
That's what allows for prey and predators to blend in their environments. I hope this helps. Have a great day.
Leafy sea dragons use their leaf-like projections to help them find food. Please select the best answer from the choices provided T F
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The statement 'leafy sea dragons use their leaf-like projections to help them find food' is false.
Leafy sea dragons may have leaf-like protrusions, but they do not use them to find food. Instead, the leaf-like projections are used to camouflage them from predators. Hence, the statement above is false.
Leafy sea dragons blend in with the seaweed and other vegetation that surrounds them, making it difficult for predators to spot them.
Leafy sea dragons may look like they are using their leaf-like projections to find food, but in reality they are using their eyes and their ability to sense movements in the water. These projections are actually used to help them blend in with their environment and avoid predators.
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language processing engages brain networks, rather one specific brain region. (True or False)
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The statement "Language processing engages brain networks, rather than one specific brain region" is true.
What is language processing?Language processing is the way that people understand, produce, and use language. It includes tasks such as reading, writing, speaking, and listening to spoken words and sentences, as well as higher-level processing tasks, such as comprehension, reasoning, and problem-solving.
Language processing engages brain networks, rather than one specific brain region. Language is not processed in a specific area of the brain. Instead, various brain regions work together to process and comprehend language, and different language-related tasks appear to activate different areas of the brain.
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7. Microscopes that view slides are called ____________________ because the use _______________ lenses.
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Answer:
compound light microscope, optical
Explanation:
Using evidence from the text, describe the purpose of the cell membrane.
Answers
Answer:
Heyz therez
The cell membrane moderates what comes in and out of a cell, it is vital for the homiostais of the cell. It also keeps it together so all the organelles don't just sail away. ⛵
Answer:
Cell membranes protect and organize cells.
Seeds can only be germinated in a presence of favorable condition
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Answer:
All seeds need water, oxygen, and proper temperature in order to germinate. Some seeds require proper light also. Some germinate better in full light while others require darkness to germinate. When a seed is exposed to the proper conditions, water and oxygen are taken in through the seed coat.
help asap
6th grade science
Answers
Answer:
true.......
Explanation:
.........
Answer: True.
Explanation: All facts mentioned are true avout plant cells...........
Body Surface Area -adapted from the Redlarski’s paper (link)
Body surface area (BSA) plays a key role in several medical fields, including cancer chemother-
apy, transplantology, burn treatment and toxicology. BSA is often a major factor in the
determination of the course of treatment and drug dosage. A series of formulae to simplify
the process have been developed. Because easy-to-identify, yet general, body coefficient re-
sults of those formulae vary considerably, the question arises as to whether the choice of a
particular formula is valid and safe for patients. These empirical formulae are derived by
observing/fitting the experimental data and do not have a rigid model or reason explain-
ing their validity. In this problem, you will build a physics model to create your own BSA
equation other than using an empircal formula.
(a) Use a cylinder of height H and radius r as a approximation of the shape of a human.
Calculate the human’s body surface area(BSA), volume(V), and mass(M) in terms of
r and H. You may assume the density of human is 1000 kg/m3.
(b) Rewrite the surface area in in terms of height and mass.
(c) According to the equation you derived above, what is your body surface area? Is it the
same as the result calculated by using the empirical fomulae: BSA = √M H/C with
BSA in m2, M in kg, H in cm, and C=60 is a constant in this paper? If not, what is the percentage differences?
Note: percentage difference for two values E1 and E2 are |E1−E2|
(E1+E2)/2 ×100%.
(d) Considering the formula BSA = √MH/C with fixed H, plot a graph with BSA on
the y-axis and M on the x-axis. Explain what the trend/curve means.
(e) Considering the formula BSA = √MH/C with fixed BSA, plot a graph with H on
the y-axis and M on the x-axis. Explain what the trend/curve means.
(e) Considering the formula BSA = √MH/C with fixed BSA, plot a graph with H on
the y-axis and M on the x-axis. Explain what the trend/curve means.
Answers
a)Using a cylinder of height H and radius r as an approximation of the shape of a human, the surface area, volume, and mass are calculated in terms of r and H as follows:
Surface area (S) of a cylinder is 2πrh + 2πr², where h is the height, and r is the radius of the cylinder. In this case, the height of the cylinder is equivalent to the height of the human body. Hence;S = 2πrH + 2πr²Mass (M) of a cylinder is given by M = ρV, where ρ is the density of the cylinder, and V is the volume. Hence, the mass of a cylinder in terms of its radius and height isM = πr²HρVolume (V) of a cylinder is given by V = πr²H. Hence, the volume of a cylinder in terms of its radius and height isV = πr²H(b)The body surface area (BSA) of a human can be rewritten in terms of the height (H) and mass (M) as follows:
BSA = √(M/H C)We can rewrite it as H = M/ (BSA² C)Thus, H can be expressed as a function of M and BSA asH = M/(BSA² C)(c)If r = 0.15 m and H = 1.70 m, then using the equation, S = 2πrH + 2πr², the body surface area is given as:
S = 2π (0.15)(1.70) + 2π (0.15)² = 1.77 m²Using the empirical formula, BSA = √(MH/C) with M = 60 kg and H = 170 cm, we get BSA = 1.85 m²The percentage difference is given by;|E1 − E2| / (E1 + E2) / 2 × 100%where E1 = 1.77 m² and E2 = 1.85 m²Thus;|1.77 – 1.85| / (1.77 + 1.85) / 2 × 100% = 4.2%(d)Considering the formula BSA = √(MH/C) with fixed H, a graph with BSA on the y-axis and M on the x-axis can be plotted.The trend shows a non-linear increase in BSA as the mass increases.
(e)Considering the formula BSA = √(MH/C) with fixed BSA, a graph with H on the y-axis and M on the x-axis can be plotted.The trend shows a linear increase in height as the mass increases.
About HumanHuman are the most numerous and widespread primate species. They are a type of great ape that is characterized by a bipedal gait and capable cognitive abilities thanks to their large and complex brains. From the moment humans were created, somatic cell chromosomes have a total of 46 egg cells or sperm cells have only 23 chromosomes. The existence of fertilization returns the number of chromosomes of body cells to 46.
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White feathers in canaries are dominant to yellow feathers. A heterozygous canary is crossed with homozygous recessive canary. What ratio of the offspring homozygous recessive?
Answers
Answer:
2:4
50%
Explanation:
Which of the following is NOT a type of tissue found in plants?A) DermalB) Non livingC) VascularD) Ground
Answers
Plants have three types of tissues:
• Dermal, tissue, which forms the surface of the leaves and stem.
,• Vascular, tissue, which includes xylem and phloem
,• Ground, tissue, where photosynthesis takes place.
This means B, non-living is the right answer because is NOT a type of plant tissue.
how many known enzymes are there in human body
Answers
Answer:
there are about approximately 1300 enzymes found in the Human body
23 POINTS
Which statement BEST describes the relationship between photosynthesis and cellular respiration?
A
Both processes release energy in the form of heat.
B
Both processes use energy to form molecules of glucose.
C
The products of one process are the reactants in the other process.
D
The products of one process are the same products in the other process.
Answers
Answer:
A
Explanation:
sorry if its wrong
Answer:
Carbon dioxide and water released by cellular respiration are used during photosynthesis. They are both apart of the carbon cycle.
Credits to: Brainly answer.
the experiment is designed to tell us the substances so that we can reproduce
Answers
Designing experiments that can be reproduced is important because it allows other researchers to independently verify and validate the findings of the original experiment.
This is a fundamental aspect of scientific research, as it helps to establish the validity and reliability of the results. If an experiment cannot be reproduced, it is difficult to determine whether the results were due to chance, bias, or some other factor. Reproducibility ensures that the findings of an experiment are not a fluke, and that they can be reliably used to inform future research and decision-making.
Moreover, reproducibility is critical for advancing scientific knowledge and promoting innovation. Reproducing experiments enables researchers to build upon existing knowledge and identify new avenues of investigation. It also helps to identify errors or limitations in the original experiment, leading to improved methods and more accurate results.
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--The given question is incorrect, the correct question is
"Why is it important to design experiments that can be reproduced?"--
Ariana is drawing a representation of the Milky Way galaxy. She wants to make sure it is the correct shape, and that she correctly labels both the object at the galactic center and the area of the galaxy where the Sun is located. What should she draw?
A.
She should draw a spiral galaxy. The center should be labeled “supermassive black hole.” The Sun should be placed on the Orion Spur, about midway between the center and edge of the galaxy.
B.
She should draw an elliptical galaxy. The center should be labeled “supermassive black hole.” The Sun should be placed in the Large Magellanic Cloud, near the edge of the galaxy.
C.
She should draw an elliptical galaxy. The center should labeled “neutron star.” The Sun should be placed in the Crab Nebula, about midway between the center and edge of the galaxy.
D.
She should draw a spiral galaxy. The center should be labeled “neutron star.” The Sun should be placed on the Perseus Arm, near the center of the galaxy.
Answers
describe how podocytes are structurally suited for their function
Answers
what is the what
Explanation:
How many calories per day would a 5 month old, 7 kg infant need based on 108 calories per kg? Round to the nearest whole calorie. A recipe contains a total of 100 grams of fat. The recipe feeds 4 people. How many grams of fat is in each serving?
Answers
A 5-month-old, 7 kg infant would need 756 calories per day.
Each serving of the recipe would contain 25 grams of fat.
To calculate the number of calories per day that a 5-month-old infant would need based on 108 calories per kg, we can use the infant's weight of 7 kg:
Calories per day = Weight (kg) x Calories per kg
Calories per day = 7 kg x 108 calories/kg
Calories per day ≈ 756 calories
Therefore, a 5-month-old, 7 kg infant would need approximately 756 calories per day.
To determine the number of grams of fat in each serving of a recipe that contains a total of 100 grams of fat and feeds 4 people, we divide the total fat by the number of servings:
Grams of fat per serving = Total grams of fat / Number of servings
Grams of fat per serving = 100 grams / 4 servings
Grams of fat per serving = 25 grams
Therefore, each serving of the recipe would contain 25 grams of fat.
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Milk left out on counter by accident for two days spoiled before date. Select one: a. 4- Demonstrates the ability to construct a clear and insightful problem statement with evidence of all relevant contextual factors b. 3-Demonstrates the ability to construct a problem statement with evidence of most relevant contextual factors, and problem statement is adequately detailed. IS C. 2-Begins to demonstrate the ability to construct a problem statement with evidence of most relevant contextual factors, but problem statement is superficial. d. 1- Demonstrates a limited ability in identifying a problem statement or related contextual factors
Answers
Based on your question, it seems that the milk was left out on the counter by accident for two days before the expiration date. This is a common problem that many people face when they forget to put their milk in the fridge, and it can lead to spoiled milk.
In terms of constructing a problem statement with evidence of relevant contextual factors, I would rate this question as a 3. You have provided important contextual information such as the fact that the milk was left out on the counter for two days before the expiration date. However, you have not provided information about the type of milk or the temperature of the room where the milk was left out, which could also impact whether or not the milk would spoil.
In terms of a detailed problem statement, I would also rate this question as a 3. You have clearly stated the problem (the milk spoiled after being left out on the counter), but you have not provided any additional information about why this happened or how it could have been prevented.
Overall, your question demonstrates a good understanding of the problem, but could benefit from additional contextual information and a more detailed problem statement.
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It seems that the milk was left out on the counter by accident for two days before the expiration date. This is a common problem that many people face when they forget to put their milk in the fridge, and it can lead to spoiled milk.
In terms of constructing a problem statement with evidence of relevant contextual factors, I would rate this question as a 3. You have provided important contextual information such as the fact that the milk was left out on the counter for two days before the expiration date. However, you have not provided information about the type of milk or the temperature of the room where the milk was left out, which could also impact whether or not the milk would spoil.
In terms of a detailed problem statement, I would also rate this question as a 3. You have clearly stated the problem (the milk spoiled after being left out on the counter), but you have not provided any additional information about why this happened or how it could have been prevented.Overall, your question demonstrates a good understanding of the problem, but could benefit from additional contextual information and a more detailed problem statement.
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can someone help me with this please i need to know if each one is HIGH LOW OR NORMAL
Answers
2.normal
3. High
4.high
5.low
6.low
I need help pls...
If a man has red-green color blindness, a sex-linked dominant trait, what is a possible genotype of his father? I. XR Y II. Xr Y III. XR XR IV XR Xr A. Only III B. I and III C. I and II D. I, III, and IV
Answers
Answer:
C
Explanation:
The possible genotype of his father is \(X^RY\) and \(X^rY\).
For sex-linked traits, an affected man always inherit the affected allele from the mother. The other chromosome, which is the Y chromosome is always from the father and this confers maleness on individuals.
The father of a man affected for a sex-linked trait can be affected for the same trait or otherwise. It does not have any bearing on the male child since the father only donates the Y chromosome to the male child.
Hence, in this case, the father can either be affected for the same trait (\(X^RY\)) or be free from it (\(X^rY\)).
The correct option is C.
What happens to food and air when they enter the body?
Answers
A random mating population has an established frequency of 64% for organisms that are homozygous recessive for a given trait. What is the frequency of this recessive allele in the gene pool? *
a. 0.8
b. 0.32
c. 0.6
d. 0.2
Answers
Replication and Transcription
How would DNA polymerase replicate the following DNA strands?
ACGTTACGGATCCT
Answers
And G for C (visa-versa) so: TGCAATGCCTAGGA
A pure culture in the exponential growth phase has a bacterial concentration of 6.4 x 108 cells/ml. If the bacterium has a generation time of 1 h, how long ago was the cell concentration 8.0 x 107 cells/ml
Answers
Answer:
856
Explanation:
3. Draw the lac operon and label the regions and the function or product of each region. 4. Organize the different repressors in order of strength/dominance. I, , r 5. You created partial diploid bacteria with the following genotype: lacl lac laco lacY/lacl lacP lacQ lacZ lact' will beta gal and permease be made in the presence or of lactose? What about without any lactose?
Answers
The lac operon is a genetic regulatory system found in bacteria, particularly E. coli, that controls the expression of genes involved in lactose metabolism. It consists of three main regions:
1. Promoter (lacP): This region is responsible for initiating transcription and binding RNA polymerase to start transcribing the lac operon genes.
2. Operator (lacO): This region acts as a binding site for the lac repressor protein (LacI). When LacI binds to the operator, it prevents RNA polymerase from transcribing the structural genes of the lac operon.
3. Structural genes: The structural genes include lacZ, lacY, and lacA.
- lacZ: Encodes the enzyme β-galactosidase, which hydrolyzes lactose into glucose and galactose.
- lacY: Encodes the lactose permease, which facilitates the uptake of lactose into the bacterial cell.
- lacA: Encodes transacetylase, which is involved in the removal of toxic byproducts from lactose metabolism.
Regarding the repressors in order of strength/dominance:
I, r, and O are not clear in the given context. Please provide more specific information or clarification to determine the order of dominance.
For the partial diploid bacteria with the genotype "lacl lac laco lacY/lacl lacP lacQ lacZ lact'," the following can be inferred:
In the presence of lactose: The partial diploid bacteria carry a functional lac operon (lact') with intact lacZ and lacY genes. The lac operon will be induced, leading to the production of β-galactosidase (the product of lacZ) and lactose permease (the product of lacY). This allows the bacteria to metabolize lactose.
Without any lactose: In the absence of lactose, the lac operon will be repressed. The lac repressor protein (LacI) encoded by the lacl gene will bind to the operator (lacO) region and inhibit the transcription of the structural genes lacZ and lacY.
Consequently, there will be no production of β-galactosidase or lactose permease in the absence of lactose.
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The bivalves started to die one by one; only the undamaged shells remained. To keep the remaining bivalves alive, the teacher would most likely need to remove the _____.
Answers
If the cause of death is due to water pollution, then the water with dead bivalves should be removed to prevent contamination and keep the remaining bivalves alive. On the other hand, if the cause of death is decaying matter or dead organisms, then the dead matter or organisms would need to be removed.
Therefore, depending on the cause of death, the teacher would most likely need to remove dead bivalves, water with dead bivalves, dead organisms, decaying matter, or contaminants to keep the remaining bivalves alive. The answer requires more than 100 words because it needs to cover all the possible causes of death and solutions to keep the remaining bivalves alive.
he apical surface of the shell whorls are flattened between the deeply impressed sutures and the sub median shell periphery, which gives the shell a somewhat angular appearance.
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